Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ronald Chang, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1639411150

Ronald Chang, MD is a Vascular Surgery in Pasadena, Texas. Graduated from Washington University School of Medicine in 2013, 13 years ago. Practices with Advanced Surgeons and Physicians Network Inc, a 60-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
13
Trained at
Washington University School of Medicine
Licensed in
TX
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Student / training record This NPI belongs to someone enrolled in a health care training programme. It carries no licence and no practice of its own, so no address or phone number is published for it.

Pasadena, TX

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence Q4571 (TX)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1639411150
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2013
Last updated in NPPESOctober 6, 2022
Certification dateOctober 6, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyVASCULAR SURGERY
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice Advanced Surgeons And Physicians Network Inc — 60 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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